These bricks conduct electricity and combine to create a powerful thermal battery
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![These bricks conduct electricity and combine to create a powerful thermal battery](https://images.fastcompany.com/image/upload/w_1280,q_auto,f_auto,fl_lossy/wp-cms-2/2024/05/p-91129126-electrified-thermal-solutions.jpg)
Backed by federal funding, MIT spin-off Electrified Thermal Solutions says its electrically conductive bricks can replace fossil fuels.
MEDFORD, Mass.—Inside a cinder block office building perhaps best known for the Hindu temple and table tennis club next door, a startup is testing what may be one of the hottest new developments in clean energy technology.